android_kernel_xiaomi_sm8350/drivers/mtd/maps/solutionengine.c
Adrian Bunk 59018b6d2a MTD/JFFS2: remove CVS keywords
Once upon a time, the MTD repository was using CVS.

This patch therefore removes all usages of the no longer updated CVS
keywords from the MTD code.

This also includes code that printed them to the user.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2008-06-04 17:50:17 +01:00

135 lines
3.4 KiB
C

/*
* Flash and EPROM on Hitachi Solution Engine and similar boards.
*
* (C) 2001 Red Hat, Inc.
*
* GPL'd
*/
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/partitions.h>
#include <linux/errno.h>
static struct mtd_info *flash_mtd;
static struct mtd_info *eprom_mtd;
static struct mtd_partition *parsed_parts;
struct map_info soleng_eprom_map = {
.name = "Solution Engine EPROM",
.size = 0x400000,
.bankwidth = 4,
};
struct map_info soleng_flash_map = {
.name = "Solution Engine FLASH",
.size = 0x400000,
.bankwidth = 4,
};
static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
#ifdef CONFIG_MTD_SUPERH_RESERVE
static struct mtd_partition superh_se_partitions[] = {
/* Reserved for boot code, read-only */
{
.name = "flash_boot",
.offset = 0x00000000,
.size = CONFIG_MTD_SUPERH_RESERVE,
.mask_flags = MTD_WRITEABLE,
},
/* All else is writable (e.g. JFFS) */
{
.name = "Flash FS",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
}
};
#endif /* CONFIG_MTD_SUPERH_RESERVE */
static int __init init_soleng_maps(void)
{
int nr_parts = 0;
/* First probe at offset 0 */
soleng_flash_map.phys = 0;
soleng_flash_map.virt = (void __iomem *)P2SEGADDR(0);
soleng_eprom_map.phys = 0x01000000;
soleng_eprom_map.virt = (void __iomem *)P1SEGADDR(0x01000000);
simple_map_init(&soleng_eprom_map);
simple_map_init(&soleng_flash_map);
printk(KERN_NOTICE "Probing for flash chips at 0x00000000:\n");
flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
if (!flash_mtd) {
/* Not there. Try swapping */
printk(KERN_NOTICE "Probing for flash chips at 0x01000000:\n");
soleng_flash_map.phys = 0x01000000;
soleng_flash_map.virt = P2SEGADDR(0x01000000);
soleng_eprom_map.phys = 0;
soleng_eprom_map.virt = P1SEGADDR(0);
flash_mtd = do_map_probe("cfi_probe", &soleng_flash_map);
if (!flash_mtd) {
/* Eep. */
printk(KERN_NOTICE "Flash chips not detected at either possible location.\n");
return -ENXIO;
}
}
printk(KERN_NOTICE "Solution Engine: Flash at 0x%08lx, EPROM at 0x%08lx\n",
soleng_flash_map.phys & 0x1fffffff,
soleng_eprom_map.phys & 0x1fffffff);
flash_mtd->owner = THIS_MODULE;
eprom_mtd = do_map_probe("map_rom", &soleng_eprom_map);
if (eprom_mtd) {
eprom_mtd->owner = THIS_MODULE;
add_mtd_device(eprom_mtd);
}
nr_parts = parse_mtd_partitions(flash_mtd, probes, &parsed_parts, 0);
#ifdef CONFIG_MTD_SUPERH_RESERVE
if (nr_parts <= 0) {
printk(KERN_NOTICE "Using configured partition at 0x%08x.\n",
CONFIG_MTD_SUPERH_RESERVE);
parsed_parts = superh_se_partitions;
nr_parts = sizeof(superh_se_partitions)/sizeof(*parsed_parts);
}
#endif /* CONFIG_MTD_SUPERH_RESERVE */
if (nr_parts > 0)
add_mtd_partitions(flash_mtd, parsed_parts, nr_parts);
else
add_mtd_device(flash_mtd);
return 0;
}
static void __exit cleanup_soleng_maps(void)
{
if (eprom_mtd) {
del_mtd_device(eprom_mtd);
map_destroy(eprom_mtd);
}
if (parsed_parts)
del_mtd_partitions(flash_mtd);
else
del_mtd_device(flash_mtd);
map_destroy(flash_mtd);
}
module_init(init_soleng_maps);
module_exit(cleanup_soleng_maps);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
MODULE_DESCRIPTION("MTD map driver for Hitachi SolutionEngine (and similar) boards");